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Coupling of surface acoustic waves to a two-dimensional electron gas

✍ Scribed by Simon, Steven H.


Book ID
121481032
Publisher
The American Physical Society
Year
1996
Tongue
English
Weight
149 KB
Volume
54
Category
Article
ISSN
1098-0121

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By probing the low-disorder two-dimensional electron system at submicron dimensions, important new length scales are revealed. Using surface acoustic waves of wavelength )~ < 1 gm to measure the 2D electron conductivity, enhanced conductivity is observed at even-denominator filling factors v = Β½, ΒΌ: